| Date | IP Address |
| 2023-08-23 | 23.64.119.59 (ClassC) |
| 2024-05-31 | 23.220.161.211 (ClassC) |
| 2024-09-18 | 23.47.51.155 (ClassC) |
| 2024-11-11 | 23.222.241.75 (ClassC) |
| 2025-04-12 | 23.41.4.88 (ClassC) |
| 2025-07-13 | 23.41.4.80 (ClassC) |
| 2025-11-21 | 23.214.95.90 (ClassC) |
| 2026-01-05 | 23.216.147.142 (ClassC) |
| Date | Domain | IP |
| f1.staging.nu.nl | 2024-09-17 | 23.41.4.79 |
| graph.staging.nu.nl | 2025-04-12 | 23.41.4.88 |
| api.staging.nu.nl | 2024-03-25 | 184.30.150.213 |
| images.staging.nu.nl | 2025-11-02 | 23.212.59.41 |
| www.staging.nu.nl | 2024-10-14 | 23.192.230.146 |